What is the distance between -17.1 and -3.9 i am so confused with this

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c

Factor the polynomial expression x6 – x3 – 20

If you invest 1,500 today in a bank that gives you a 5 percent annual interest rate, which of these items can you buy in two years? a. electronics worth $1,650 b.fitness equipment worth $1,700 c.a holiday package worth $2,000